What are some economic incentives that make sustainable mining processes economically valuable for companies and communities?

Mining plays a significant role in regional development. It also generates great amounts of waste -- some of which contains toxic chemicals and heavy elements. Yet, additional mining-related...

11 August 2019 7,179 4 View

Does noise affect, or compound, mercury poisoning in the human body relative to small-scale gold mining?

On-the-ground experience would suggest that sound/noise pollution and mercury contamination may be coincidental in artisanal and small-scale gold-mining stakeholders and their bodies. If so, does...

31 July 2019 5,350 1 View

In Differential Pulse Volammetry, is there a relationship of proportionality between the Peak intensity and the Potential scan rate? thank you

I found it for Cyclic Voltammetry (Peak intensity is proportional to the square root of the scan rate), but not for DPV...

31 January 2017 4,892 3 View

Is there a rapid colorimetric determintaion of oxalate for crops?

Colorimetric methods (UV-Vis) used to estimate oxalate content on crop fruits

17 April 2016 5,877 2 View

What is the best procedure to estimate de drag coefficient for a car?

I need to identify what is the car drag force in function of the velocity. We can find many equations but I want to know what is the best procedure and the most used model or equation to estimate...

07 August 2015 8,408 4 View

Has anyone had trouble running the testosterone ELISA kit from Cayman Chemicals?

I use Cyaman Chm ELISA kits (https://www.caymanchem.com/app/template/Product.vm/catalog/582701). The testosterone kit has shown to be unreliable. The results have not been reproducible. A large...

12 January 2015 486 4 View

Does anybody know why in the last step of MSP1D1 protein purification this protein precipitates?

05 October 2014 8,744 5 View

Which kind of LFS could I use to induce LTD in acute hippocampal slices?

I would like to know which kind of LFS (low frequency stimulation) I could consider using as a weak protocol to induce LTD in acute slices from 3 month-old mice.

02 March 2014 3,440 1 View

Problems with Abeta measurements?

Could somebody tell me if the using of the Nanodrop 2000 could be good to measure Abeta concentration after oligomerization in a sample prepared using DMSO and Neurobasal?

09 October 2013 2,507 2 View

What chloride selective electrode shall I buy to measure chloride transport assays in a 300uL chloride channel sample?

I'd like to perform chloride transport assays but I'm failing to find a chloride-selective micro electrode able to measure small samples of around 300uL. Does anyone know what model or set-up I...

01 January 1970 3,052 0 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Help request in CST microwave?

im working now on TPV solar cells and metamaterials and i realy need our help in CST microwave i have a tpv cell simulation and i want to extract particullarly the absorbtion of only the active...

02 March 2021 2,246 2 View

Anyone found any research papers on solar furnace design calculations (for solar concentration)?

I am thinking about working on solar furnace with heliostats that concentrate sunlight and heat molten salt, but currently no luck with research. Not a lot of papers based on the subject. (check...

01 March 2021 5,023 5 View

How to size battery banks?

I am designing a small grid connected solar PV power-plant. As the battery's capacity is specified in Ah and demand in kWh. What is the best way to size the battery bank? I have battery price in...

28 February 2021 1,638 3 View

How to design a boost converter for a mppt controller?

I have a doubt on how to select the inductor and capacitor value when I want to implement MPPT controller. This is because we always take a maximum output voltage and current but in this case, we...

28 February 2021 3,637 2 View

How to calculate Ligand-active site distance in a ligand-protein complex from MD simulation?

I have run a MD simulation of a ligand-protein complex in GROMACS using CHARMM forcefield. Reviewer has asked me to calculate Ligand-activesite distance and binding free energy of ligand with...

27 February 2021 4,703 1 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

How can we use a hybrid element in Abaqus Dynamic/Explicit for impressible materials?

Hi, all! How can we use a hybrid element in Abaqus Dynamic/Explicit for impressible materials? I have not find the choice for explicit element in Abaqus CAE. I am wondering whether it is possible...

25 February 2021 9,936 2 View